Examine source code of Dark Green Pastel

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Dark Green Pastel",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgb(73, 75, 73)",
      "toolbar_text": "rgb(189, 198, 171)",
      "frame": "rgb(70, 75, 70)",
      "tab_background_text": "rgb(189, 198, 171)",
      "toolbar_field": "rgb(82, 83, 82)",
      "toolbar_field_text": "rgb(189, 198, 171)",
      "tab_line": "rgb(155, 176, 119)",
      "popup": "rgb(70, 75, 70)",
      "popup_text": "rgb(189, 198, 171)",
      "tab_loading": "rgb(155, 176, 119)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{a4110c64-c91b-417a-9702-e2e982ae7db7}"
    }
  }
}